Merge pull request #27 from RayPlante/quickdev

fix tests for python3
revamped API reference docs: specialized to display inherited members,
includes improvements to docstring content.
finished guide to SSA
manual: finished data access chapter
finished nameresolver chapter, prepped for registry
partial completion of registry chapter
manual: another section for the registry chapter
manual: finished registry chapter
clean up docs, reduce warnings
Merge pull request #33 from RayPlante/mandoc

This provides a largely complete users manual (along with improvements to the inline documentation).